Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. Dollar for Dollar, it is highly unlikely that the $2400 for a full blown Banks Power Package would yield the same cost/benefit as say the addition of the UltraPower GM / Workhorse 7.4L (454) Custom Tuning module. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. Truck runs great doesnt miss or anything just seems to not really have any power at all in 1st gear and alittle more in second gear. Makes NO permanent changes to your vehicle's computer! Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Install an aftermarket windage tray in your engine. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. I plan on a couple of cross country trips this summer before the Banks PPB install, so, should I wait for the tune until after the Banks install or do the tune this year? Do a 12 swap and be done. Roller Lifters 5. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. The heads, pistons, and intake are stock. So if I have your tune done what is the turn around time sending my PCM to you? How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. Install a high-flow air filter and a cold air intake. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. We can do the tune now with the Banks kit taken into consideration for down the road. Even better than the big peak gains was the fact that the cam swap . The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was an extremely powerful gas guzzler that should have remained obscure after the 1973 oil crisis. How To Add 70 Percent More Power to A Chevy 454 V-8. Would the retuned ECM provide any performance gains above what are present now? Mark McNabb was a contributor at TopSpeed from 2013 to 2018. O-rings: Top and bottom, 14.5 mm - Viton. They also installed roller lifters, heavy springs and chain/gears. There should be no reason to ever need to reprogrammed in the future and if you needed a replacement PCM we can take care of that for you. my ecm has to be replaced. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. The tune will definitely wake the truck up. Thanks. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. We can tune it if you can build it :). Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. I have a 2000 3500 454. I heard these trucks have a torque management system does this computer give my truck back all its power? It was bone stock 2x4 extended cab dually. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? The proper application of boost to any motor is never inexpensive, and our Vortech YSI supercharger was not what could be considered low-buck, but it was epic in its effectiveness. For a plain jane Sierra, not bad in my opinion. Interested, but don't want to buy one to find out i've already got it :D (my unit has 2 previous owners i think). You may also like. In 2001, production of the 7400 line was discontinued. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. Its amazing what some bolt-on parts can do! The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Later i want to install the banks PPB 49070 package on this motorhome next year. Change to a synthetic oil that is light-weight. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. Would we still get the good price when you get more control modules in stock? Thanks. Some parts are not legal for use in California or other . We CAN tune the engine computer with our UltraPower tuning to get more performance but we MUST have you send your PCM in to us for programming as it has a unique PCM that we don't have cores for. These fit: 1966-1998 Chevrolet & GMC 6.0L, 1970-2000 Chevrolet, GMC, Pontiac & Mercruiser Marine 7.4L 454, 2001-2009 Chevrolet & GMC 8.1L , Also fits Mercury Marine Big Block 7.4L, 8.1L & 8.2L Engines. They seem to be similar to those used in your RV work. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Cats have been removed as well as smog pump. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. The tuning alone will be the single biggest change you can make to improve power and throttle response. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Is the Vehicle Control Module an ECM by another name? If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. We removed the factory EFI injection, and replaced it with simple carburetion. If you send us your PCM, our turn around is usually 1-2 days. $399.99. Alright Jay! merci. http://www.cumminsdieselspecs.com/cummins_timeline.html, http://www.internationalpowerstroke.com/timeline.html, http://www.duramaxdieselspecs.com/compare_duramax.html, Tow rig Suspension and Axle upgrades questions (4th Gen Dodge). Don't know how tuning would work. Turn around time is 1-2 business days. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Stock TBI 454 makes 230hp and 380tq so stock fuel pump is maxed out right off and a typical 454 will run better with a fuel pump upgrade even with stock chip. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. My question is what cam you would recommend for towing? The banks system will give you 70hp and 85lb-ft. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. New 2-Piece Intake Manifold w/Long Intake Runners 7. 2023 Power Automedia. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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The exhaust does not have CATS with dual to the muffler and single exit tailpipe. The bill: $3,699.96 for all but the carb. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! We tune the original black box PCM but do not do the 411 swap. I won't change the exhaust or add a ring eating K&N. It would be a good idea to re-tune for the Banks and injection systems. Are there any gains to be had by programing and adding headers to my truck? I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. What are your recommendations?? Return shipping is included , you are responsible for shipping to us , however if you choose the "core charge" and order the ECM , we can provide a return shipping label for your core and deduct from the core refund. Buy in monthly payments with Affirm on orders over $50. Engine is in stock configuration with no upgrades. UltraPower 7.4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades Gains of 1/2 - 1 MPG Maintains speed and higher gears when climbing hills We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. The C/K 3500's standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. My car is GMC pick-up 7.4L 1998. it is manual transmission. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. When you purchase, just let us know any modifications or requests and we can accomodate. Nothing I was finding really listed ACTUAL upgrades. You might also want to consider a high voltage coil, high performance 8 mm spark plug wires and a set of quality aftermarket spark plugs to help your engine ignite more of the fuel that goes through it. The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio. Mostly people saying to try this and try that. Free shipping for many products! high flow intake elbow, filter and MAF Learn more. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. If you would like to place your order feel free to give me a call at 800-417-4559. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. You might be able to run an L29 cam, but you will need to consult an engine builder. Vortech supplied a pulley combination that included an 80-tooth crank pulley and 32-tooth blower pulley which provided a drive ratio of 2.5:1. Cost would be $495. . Gains will be on par with what we achieve with the RV's so it will very well suited for towing. To allow the motor to rev cleanly to 6,000 rpm under boost, the cam upgrade was teamed with a new set of beehive valve springs. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. Headers suggested. I installed a K&N replacement are filter in the stock air box. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. As long as you don't have any emission systems removed, you will pass without any issues. My next upgrade is going to be exhaust. The old, weak 240 HP 454 is every bit as. We have been doing them on a limited basis, it has been very challenging to find good cores to use. Any "recalibration" would require sending your ECM to us for programming changes. Primary or Expansion Gauges And Upgrade Kits (52mm) For 2008+ OBDII CAN bus vehicles, Upgrading SIx-Gun, Economind, and SpeedBrake, or use with BBus Sensor Modules. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Yes, all gains listed are with 87 octane gas. Overall Length: 3 inches, 74 mm. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! 4.56 might be abit tall. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. In 1996, when all of GMs models received excellent reviews due to a new range of engines that added power, every one of its vehicles were praised by clients. Performance Street, great low to mid-range. This is only 1 of the many changes that we make with our programming to achieve great power gains. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. what does this do at emission inspections?? BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . Pace Performance Products in Ohio put together a decent upgrade. I'm sorry, we can't tune anything prior to 1996 model year. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. We can tune the 2000 ECM for that engine and I'm pretty sure the ignition harness on that vehicle has no tie in with the ECM. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. do you think I could get more power with your ecm re-program? I fought this truck with the cats deleted and air pump disabled. If you send it to us you avoid paying the core charge. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. I was thinking about removing the catalytic converter and was wondering if your reflash will delete the "check engine" light that will probably occur when I cut it off? However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? I recently ordered an ecm for a 7.4 vortec and was very impressed. This ignition system upgrade will allow you to set your distributor for a little more timing advance. Is this doable? I'm interested in the available upgrades for the vortec 454. If they were cheap enough, sure. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. General Motors debuted the 7.4 Vortec in 1970, one year before emissions requirements were tightened and three years before the gas crisis hit with full force. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? 1998 k 3500 454 auto 4:10 Dually..What on earth can I do to get more out of my truck..without mortgaging the house. a good set of headers help to. We modify this so that it is still "safe" but definitely wakes the truck up. Vehicle Monitoring and data-logging like no other! will i notice anything? Also how much benefit do you think I would gain by going aftermarket catback exhaust. Any thoughts from you technical guys? As you can tell, it doesn't deliver much. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there.
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